cve.bz

CVE-2021-4070

9.1 criticalEPSS 0.9%

Critical (9.1) in v2fly v2ray-core. EPSS 0.9% chance of exploitation in the next 30 days. Fixed in github.com/v2fly/v2ray-core/v4 4.44.0.

Off-by-one Error in GitHub repository v2fly/v2ray-core prior to 4.44.0.

Severity

CVSS 3.1

9.1 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS
0.9% chance of exploitation in the next 30 days; higher than 58% of CVEs (scores of 2026-10-31)
CWE
CWE-193
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-4cxw-hq44-r344Gogithub.com/v2fly/v2ray-core/v4<4.44.04.44.0
GHSA-4cxw-hq44-r344Gogithub.com/v2fly/v2ray-coreall versionsno fix published
GO-2022-0550Gogithub.com/v2fly/v2ray-coreall versionsno fix published
GO-2022-0550Gogithub.com/v2fly/v2ray-core/v4<4.44.04.44.0

References

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